1 files changed, 1 insertions, 1 deletions

diff --git a/lib-src/hexl.c b/lib-src/hexl.c
index d730cac6814..b31ab812534 100644
--- a/lib-src/hexl.c
+++ b/lib-src/hexl.c
@@ -49,7 +49,7 @@ int base = DEFAULT_BASE, un_flag = FALSE, iso_flag = FALSE, endian = 1;
 int group_by = DEFAULT_GROUPING;
 char *progname;
 
-void usage(void);
+void usage(void) NO_RETURN;
 
 int
 main (int argc, char **argv)